<template>
   <PanelHead/>
   <div class="btns">
    <el-button :icon="Plus" type="primary" @click="open(null)"size="small">新增</el-button>
   </div>
 
  <el-table :data="tableData.list">
    <el-table-column prop="id" label="id" />
    <el-table-column prop="name" label="昵称" />
    <el-table-column prop="permissionName" label="菜单权限" />
    <el-table-column  label="操作" >
      <template #default="scope">
          <el-button type="primary"@click="open(scope.row)">编辑</el-button>
      </template>
    </el-table-column>
  </el-table>
  <div class="pagination-info"> 
    <el-pagination
       v-model:current-page="paginationData.pageNum" 
       :page-size="paginationData.pageSize"
       :background="false"
       size="small"
       layout="total, prev, pager, next"
       :total="tableData.total"
       @size-change="handleSizeChange"
       @current-change="handleCurrentChange"
    />
  </div>
 
<el-dialog 
 v-model=" dialogFromVisable"
:before-close="beforeClose"
title="添加权限"
width="500px">
<el-form ref="formRef"
          label-width="100px"
          label-position="left"
          :model="form"
          :rules="rules">
          <el-form-item v-show="false" prop="id">
            <el-input v-model="form.id" placeholder="请填写权限ID"></el-input>
          </el-form-item>
          <el-form-item label="名称" prop="name">
              <el-input v-model="form.name"placeholder="请填写权限名称"></el-input>
          </el-form-item>
          <el-form-item label="权限" prop="permissions">
              <el-tree
              ref="treeRef"
              style="max-width:600px"
              :data="permissionsData"
              node-key="id"
              show-checkbox
              :default-checked-keys="defaultKey"
              :default-expanded-keys="[2]"
              />
          </el-form-item>
  
</el-form>
<template #footer>
  <div class="dialog-footer">
    <el-button type="primary" @click="confirm(formRef)">确认</el-button>
  </div>
  
</template>

 
</el-dialog>
</template>

<script setup>
import {userGetMenu,userSetMenu,menuList} from '../../../api'
import {ref,reactive,onMounted, nextTick} from'vue'
import {Plus} from '@element-plus/icons-vue'
onMounted(() => { 
  //菜单数据
  userGetMenu().then(({data}) => {
    console.log(data)
    permissionsData.value=data.data
    })
  getListData()

 
 })
 //列表数据
 const tableData=reactive({
  list:[],
  total:0
 })
 //打开弹窗
 const open=(rowData={})=>{
dialogFromVisable.value=true
//弹窗打开form生成是异步
nextTick(() => {
  if(rowData){
    Object.assign(form,{id:rowData.id,name:rowData.name})
    treeRef.value.setCheckedKeys(rowData.permissions)
  }
})
 }
 const paginationData=reactive({
  pageNum:1,
  pageSize:10
  
 })
 const handleSizeChange=(val)=>{
  paginationData.pageSize=val
  getListData()
 }
 const handleCurrentChange=(val)=>{
  paginationData.pageNum=val
  getListData()
}
 //请求列表方法
const getListData=() => {
    menuList(paginationData).then(({data}) => {
      const{list,total}=data.data
      tableData.list=list
      tableData.total=total

    }) 
  }
const formRef=ref()
//form的数据
const  form=reactive({
  id:'',
  name:'',
  permissions:''

})
//树形菜单权限数据
const permissionsData= ref([])
//控制弹窗显示隐藏
const  dialogFromVisable=ref(false) 
//关闭弹窗
const beforeClose=()=>{
  dialogFromVisable.value = false

}
//选中权限
const defaultKey=[4,5]
const treeRef=ref()
const rules=reactive({
   name:[{required:true,trigger:'blur',message:'请输入权限名称'}]
})
//表单提交
const confirm=async(formEl)=>{
  if (!formEl) return
  await formEl.validate((valid,fields)=>{
   if(valid){
    //获取到选择的chekbox数据
  const permissions=JSON.stringify(treeRef.value.getCheckedKeys())
    userSetMenu({name:form.name,permissions,id:form.id}).then(({data})=>{
      console.log(data)
      beforeClose()
      getListData()

    })
   }else{
    console.log('error submit!',fields);
   }
  })

}

</script>

<style lang="less" scoped>
.btns {
  padding: 10px 0 10px 10px;
  background-color: #fff;
}
  </style>
  